Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
30-04-2023 13:52
Static task
static1
General
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Target
8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe
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Size
464KB
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MD5
5f73a8671d397a20c4a72d21ca664702
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SHA1
cced638f3bd22c49fa681061b02520847dbc6d14
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SHA256
8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487
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SHA512
73816017104e12b3f1b13f82e7d7fe3c3e6057d0110a64962a042af4de7c18c152940c901236e4045656cbc921eb31682206ed47e913a347308a4bf18f73a9a4
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SSDEEP
6144:vloCo1vYPH9q0vDoe8ZORMs3v/w7HGmxmW3P94WqqOmd:vmCo1vanvDAORMs30qg94WqNm
Malware Config
Extracted
vidar
3.6
78489afd9d9a4747beb445e5fb5b9c96
https://steamcommunity.com/profiles/76561199499188534
https://t.me/nutalse
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profile_id_v2
78489afd9d9a4747beb445e5fb5b9c96
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user_agent
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36
Extracted
laplas
http://89.23.97.128
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api_key
bc2dceabe69fa26dbf4dd8295d65e03e1990633a88c1c8410825c9266b239396
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 55365626491968644388.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ntlhost.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 55365626491968644388.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 55365626491968644388.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation 8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe -
Executes dropped EXE 3 IoCs
pid Process 2312 55365626491968644388.exe 1728 46294541277676992451.exe 4592 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 4388 8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe 4388 8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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resource yara_rule behavioral1/files/0x0006000000022fc2-246.dat upx behavioral1/files/0x0006000000022fc2-248.dat upx behavioral1/files/0x0006000000022fc2-249.dat upx behavioral1/memory/1728-250-0x0000000000CB0000-0x0000000001B13000-memory.dmp upx behavioral1/memory/1728-251-0x0000000000CB0000-0x0000000001B13000-memory.dmp upx -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 55365626491968644388.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 55365626491968644388.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2312 55365626491968644388.exe 4592 ntlhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 3708 4388 WerFault.exe 83 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4940 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 50 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4388 8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe 4388 8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 4388 wrote to memory of 2312 4388 8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe 90 PID 4388 wrote to memory of 2312 4388 8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe 90 PID 4388 wrote to memory of 1728 4388 8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe 92 PID 4388 wrote to memory of 1728 4388 8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe 92 PID 1728 wrote to memory of 3112 1728 46294541277676992451.exe 94 PID 1728 wrote to memory of 3112 1728 46294541277676992451.exe 94 PID 3112 wrote to memory of 1732 3112 cmd.exe 96 PID 3112 wrote to memory of 1732 3112 cmd.exe 96 PID 4388 wrote to memory of 980 4388 8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe 97 PID 4388 wrote to memory of 980 4388 8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe 97 PID 4388 wrote to memory of 980 4388 8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe 97 PID 980 wrote to memory of 4940 980 cmd.exe 100 PID 980 wrote to memory of 4940 980 cmd.exe 100 PID 980 wrote to memory of 4940 980 cmd.exe 100 PID 2312 wrote to memory of 4592 2312 55365626491968644388.exe 102 PID 2312 wrote to memory of 4592 2312 55365626491968644388.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe"C:\Users\Admin\AppData\Local\Temp\8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4388 -
C:\ProgramData\55365626491968644388.exe"C:\ProgramData\55365626491968644388.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:4592
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C:\ProgramData\46294541277676992451.exe"C:\ProgramData\46294541277676992451.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\46294541277676992451.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3112 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:1732
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:980 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 22282⤵
- Program crash
PID:3708
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4388 -ip 43881⤵PID:2784
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
4.3MB
MD59abf6a8efa066a03eba449a11cafef79
SHA1317d75f39958078a9706364e9c73ae3d356c90b4
SHA2568d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29
SHA512bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a
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Filesize
4.3MB
MD59abf6a8efa066a03eba449a11cafef79
SHA1317d75f39958078a9706364e9c73ae3d356c90b4
SHA2568d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29
SHA512bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a
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Filesize
4.3MB
MD59abf6a8efa066a03eba449a11cafef79
SHA1317d75f39958078a9706364e9c73ae3d356c90b4
SHA2568d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29
SHA512bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a
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Filesize
3.5MB
MD5f5548281bcdcec5c1d151d3417412042
SHA1be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792
SHA2563469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac
SHA512387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c
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Filesize
3.5MB
MD5f5548281bcdcec5c1d151d3417412042
SHA1be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792
SHA2563469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac
SHA512387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c
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Filesize
3.5MB
MD5f5548281bcdcec5c1d151d3417412042
SHA1be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792
SHA2563469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac
SHA512387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
675.6MB
MD5133df3b1954e02b199aea31ad6e3a2fc
SHA1682625c8a4ba5988000f5389a089d2599e82d904
SHA256b44abf93c79e2ea15ccb3bb0112097a941c06c646bdba28e72321d3ffe024bd4
SHA512231c502da885e0af6c629263157c4e66d9c656c709a725fdc87a8fc053936ff5cc629d209870bd94c102f4169c9f7b17c2bb87cd555e3e802105a826f26f901c
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Filesize
705.9MB
MD5b1434339f03258239d70790a03dc527d
SHA1ddaa0f0d1bc390f4d3d361d94556bd6fa4506fca
SHA2569bf390078156cf873854e41fb19e875226637f8cce605dee0e15790db8883d11
SHA5121bc2d4c941f7869012550b3e43e72713d8b42acc344ba50247162e4093c14298ca92df117be34484028bce027f28a513ee2d4f7217c256f1a8489b3700312d73